The answers are as follows; .275,.225, 2, .30
2. You see them in your face:

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To sum up, <em>corresponding parts of congruent triangles are always congruent</em> [<em>CPCTC</em>].
1. The edge and angle markings of both triangles represent all corresponding parts. Each angle and edge corresponds with another angle and edge.
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The numbers are 79, 80, and 81.
79+80+81=240.